add MATLAB tags to enable repo map support

tests/fixtures/languages/matlab/test.m

@@ -0,0 +1,42 @@
+classdef Person
+    properties
+        name    (1,1) string
+        age     (1,1) double
+    end
+
+    methods
+        function obj = Person(name, age)
+            arguments
+                name    (1,1) string
+                age     (1,1) double = NaN
+            end
+            % Constructor for Person class
+            obj.name = name;
+            obj.age  = age;
+        end
+
+        function greeting = greet(obj,formal)
+            arguments
+                obj
+                formal  (1,1) logical = false
+            end
+            if formal
+                prefix = "Good day";
+            else
+                prefix = "Hello";
+            end
+            greeting = sprintf("%s, %s!", prefix, obj.name);
+        end
+    end
+end
+
+function greetings = create_greeting_list(people)
+    arguments
+        people  (1,:) Person
+    end
+    % Create greetings for a list of people.
+    greetings = string(numel(people), 0);
+    for i = 1:numel(people)
+        greetings(i) = people(i).greet();
+    end
+end